A3 Quattro V6-3.2L (BUB) (2008)
If the specified value was obtained:
Checking wiring
If the manufacturers test box is being used. Perform the following step.
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Install the test box.
If the manufacturers test box is not being used. Perform the following step.
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Remove the Motronic Engine Control Module (ECM) J220.
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Using a Multimeter, check the Direct Shift Gearbox (DSG) Mechatronic J743 electrical harness connector to the Motronic Engine Control Module
(ECM) J220 electrical harness connector T121 for resistance.
Direct Shift Gearbox (DSG)
Motronic Engine Control Module
Mechatronic J743 electrical
(ECM) J220 electrical connector
harness connector terminals
T94 terminals or test box sockets
15 (Can_Bus Low)
58
10 (Can_Bus High)
60
Specified value: 1.5 Ohms Max.
If the specified value was not obtained:
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Check the wiring connection for an open circuit, short circuit to Battery (+) or Ground (GND).
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Check the wiring connection for damage, corrosion, lose or broken terminals.
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If necessary, repair the faulty wiring connection.
If no malfunction is found in the wiring:
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Replace the Direct Shift Gearbox (DSG) Mechatronic J743.
Final procedures
After repair work, the following work steps must be performed in the following sequence:
1. Check the DTC memory. See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Scan Tool Testing and
Procedures/Diagnostic Mode 03 - Read DTC Memory
2. If necessary, erase the Direct Shift Gearbox (DSG) Mechatronic J743 memory.
3. If the DTC memory was erased, generate readiness code. See: Powertrain Management/Computers and Control Systems/Testing and
Inspection/Monitors, Trips, Drive Cycles and Readiness Codes
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End of diagnosis.